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Chung Cheung

HC Heligear Engineering (H.K.) Co.: 1 patents #1 of 2Top 50%
Overall (2003): #73,316 of 273,478Top 30%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6655621 Guiding mechanism for a fishing reel Shu-Cheong Yuen 2003-12-02
6619079 Security device for media storage disk box 2003-09-16